Download Multitech MultiConnect Adapter User guide

Chapter 2 – Installation
Female End of the Multi-Tech Adapter
The following tables explain the Multi-Tech Adapter pin functions.
External Power
Signal
Multi-Tech
Adapter
Female Connector
IN/OUT
Pin 1 CD
O
Pin 2 TX
Pin 3 RX
Pin 4 DTR
Powered
Through Pin 6
Signal
IN/OUT
Pin 1 CD
O
O
Pin 2 TX
O
I
Pin 3 RX
I
I
Pin 4 DTR
I
Pin 5 GND
--
Pin 5 GND
Pin 6 DSR
O
Pin 6*
Pin 7 CTS
I
Pin 7 CTS
I
Pin 8 RTS
O
Pin 8 RTS
O
Pin 9 RI
O
Pin 9 RI
O
*Pin 6 Input Power Consumption
@ 5V DC:
Typical 190mA
@ 10V DC:
Typical 100mA
@ 15V DC:
Typical 69mA
@ 20V DC:
Typical 54mA
@ 25V DC:
Typical 45mA
-Power
Maximum 245mA
Maximum 120mA
Maximum 83mA
Maximum 65mA
Maximum 55mA
Warning:
When supplying power to the RS-232 connector of the adapter, make sure
the power does not feed the DTE device.
Male End of the Multi-Tech Adapter
The following table explains the Multi-Tech Adapter pin functions.
RS-232
Signal
IN/OUT
Pin 1 CD
I
Pin 2 RX
I
Pin 3 TX
O
Pin 4 DTR
O
Pin 5 GND
-
Pin 6 DSR
I
Pin 7 RTS
O
Pin 8 CTS
I
I
Pin 9 RI
Multi-Tech
Adapter
Male Connector
Multi-Tech Systems, Inc. MultiConnect Serial-to-Serial Adapter User Guide (S000354B)
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